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    Water Laser? New Type of Experimental Laser

    https://futurism.com/scientists-have-created-a-totally-new-type-of-laser-with-light-and-water-waves/ A bit fuzzy on what they are doing, but they appear to be pumping (like a diode or pump laser) around a section of water to create something entirely new.
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    Laser Etching Equipment?

    i get the feeling the prices are artificially high as some sort of trade secret/patent thing. 3D printers used to be super expensive too, then the patents expired, and prices have dropped 1-2 orders of magnitude. if a prefab fiber is 5600-16000, shouldn't a kit be like 1800-4000 or less?
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    Laser Etching Equipment?

    I've only built diode lasers outside of a class room. I presume CO2 is a gas laser (red/infra, right?), and YAG/Yttrium Doped are the Fiber lasers, and those are Solid states? Is there is a fiber laser kit i can use to cut down my costs? I used a 3D printer kit to DIY the printer, and...
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    Laser Etching Equipment?

    Would something like this work? Newest 20W Desktop Potable Mini Fiber Laser Making Machine ENGRAVER Maker | eBay I found this company from them, listed here: Cole Technology Co.,Ltd. $5,600 is still horrifying, but more in the realm of Real than the Rofin that costs $61,000. I figured out...
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    Compound changes infrared laser to white light retaining divergence

    lol you beat me to it. I should check my email more often. Lasers transform infrared into broadband white light - physicsworld.com I'm still not sure what the implications are, as I did one of those tl;dr skimming sessions, but it looks like we might be able to cheaply make white beam lasers...
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    Laser Etching Equipment?

    those seem affordable, though 40 watts is pushing the envelop of whether i can cut precious metals (like writing names or phrases on jewelry), is it is true that I need 50 watts, and if so, does the price inflate like the Weimar Republic?
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    Laser Etching Equipment?

    well let's just say i was interested in watch making until i saw these prices. Bergeon Lathes ($11,989.00-$35,136.00). I then abandoned watch making, despite being pretty good with gear arrangements and clockwork. I find anything below $300 to be affordable, anything below $1000 to be...
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    Laser Etching Equipment?

    Hi! So I built this 3D printer last week, and designed a neat doodad in blender, but woe is me, for the doodad is going to require a resolution of about 0.08-0.1mm, while my printer is only 0.4mm resolution at a really slow speed. So I decided it might be better to just set the blank doodads...
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    DIY Project: SLS Sintering? (Guidance Much Appreciated)

    for some reason that only seems reasonable up to certain thresholds. I get the feeling something like titanium and steel powder printers don't have beds heated to 2500F and 3125F respectively. I'm guessing they do something different. Here's a 100 Watt in action...
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    DIY Project: SLS Sintering? (Guidance Much Appreciated)

    Expiry of Patents in 3D Printing Market to Decrease Product Costs and Increase Consumer Orientation - 3D Printing This is one of the things I was looking forward to happening. Complexity obviously a problem, heating up the powder also a problem. Power consumption not so much. Fiber lasers...
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    DIY Project: SLS Sintering? (Guidance Much Appreciated)

    OK, so I got pretty heavy into electronics, 3D fabrication, and more recently, the little kits like Arduino/Genuino and Raspberry/Banana/Orange Pi. I like DIY projects, and I especially like to "stick it to the man" whenever possible in the $$$$$ department. As most of you know, Laser...
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    Are Ultracapacitor Lasers Possible?

    Good to know its the driver I have to concern myself with. Except for the day I burned a snow flake pattern in a handmade coin pouch for my Grandmother, I generally don't use class 4 laser pointers for more than about 30 seconds at a time.
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    Are Ultracapacitor Lasers Possible?

    Hi! I started doing some research to get really deep into electronics, formerly knowing almost nothing (solenoid piston motors are awesome!), and I tripped over something called Supercapacitors and Ultracapacitors. When i was working with lasers years ago, we used a lot of 3.7-ish batteries...
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    HElp me please

    Mario is right, different colors of the same power supply will burn more or less efficiently. My purple lasers mW for mW burn most things better than my blue, and the red lasers I've made might as well be laser pointers used in the class room. Someone should make a chart of ignition times with...
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    HElp me please

    50mW? More like 500mW Here's a video from youtube showing what to expect from 50mW green. 50mw laser FOCALPRICE.COM unboxing and testing - YouTube You'll find several people in this forum can build you a blue laser in 500mW range, but if your location has regulations (i.e. closer to 50mW...
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    HElp me please

    before you buy your safety glasses, you want to decide what color your laser will be. I recommend blue lasers if you want to ignite things, but be aware that some things burn better than others with light. A new candle wick is brilliant white and all i managed to do was slowly disintegrate it...
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    Idea: Dual Purpose Fan

    So had this idea recently - if you wanted to use a handheld laser up close to a surface to do things like etching free hand, the smoke from the burning surface would cloud up the lens and destroy it. That got me thinking the device wasn't very practical and there had to be a way to keep smoke...
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    Laser Sintering Patents?

    there's polymers obviously, but recently they have been doing neat stuff with ceramic-like components and particle board 3D printing. the mix of plastics and metal though composes the bulk of household objects, that's why I think metal printing will become critical to the 3D print revolution...
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    500 Watt Direct Diode Laser

    500 watts? spread over how much surface area? And what kind of heat and power supply? price is a good question too. Are we looking at more or less than $30/watt?
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    Laser Sintering Patents?

    Selective Laser Sintering Patent Expiration Will Not Be a Game Changer | Industry Market Trends So 3D printing is basically the next big thing; kind of like 'Today' is 1995-1996 and we are talking about the Internet is the next big thing. At least, that's what I think, simply because I'm...




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